On Tue, Jun 19, 2007 at 10:49:01AM -0700, Y Sidhu wrote: > On 6/19/07, Francisco Reyes <lists@xxxxxxxxxxxxxxxx> wrote: > > > >Campbell, Lance writes: > > > >> Francisco and Richard, > >> Why ask about disk or raid? How would that impact any settings in > >> postgresql.conf? > > > >If the user has 2 disks and says that he will do a lot of updates he could > >put pg_xlog in the second disk. > > > > > >---------------------------(end of broadcast)--------------------------- > >TIP 2: Don't 'kill -9' the postmaster > > > > Let's not ask about disk or raid at this level of sanity tuning. It is > important for a newbie to take the right first step. When it comes to disks, > we start talking I/O, SATA, SCSI and the varying degrees of SATA and SCSI, > and controller cards. Then we throw in RAID and the different levels > therein. Add to that, we can talk about drivers controlling these drives and > which OS is faster, more stable, etc. As you can see, a newbie would get > drowned. So, please keep it simple. I know many people on this list are > Gurus. We know you are the best in this field, but we are not and are just > trying to improve what we have. Ignoring the i/o subsystem in db configuration, there's an idea. You could request some bonnie++ output (easy to aquire) as a baseline, do your magic analysis based on this, and skip it if it is not provided with a warning. Course the magic may be harder to come by.
